Rear Main Seal - Nissan Xterra Forum
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post #1 of 12 Old 03-14-2012, 04:51 PM Thread Starter
callendargirl
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Question Rear Main Seal

While my husband was home on R&R we decided to purchase a new vehicle. None of our other vehicles would allow us to put a car seat into them, and with a new baby, a new truck was a must have. We decided to buy a Nissan Xterra. Im not familiar with foreign vehicles at all, but he said it was a good truck to purchase so i agreed to it.

He bought a 2001 nissan xterra with about 114,000 miles on it.Truck has a salvaged title, owners claimed it was for theft. When we looked at it, there seemed to be an oil leak from the valve cover. When we bought it home, my husband repaired that issue. He also changed the oil. The truck didnt come with a manual, so he looked up what the required amount of oil for the truck was online. He ended up putting 4 quarts into it.

Now the truck started leaking ALOT of oil out of it right after that, so i took it into a shop, since my husband is back overseas. They said that it was leaking a decent amount of oil out of the rear main seal. That particular shop wouldnt touch it since its foreign. I called about five different places before i got a quote of about $750 to fix the rear main seal.

I ended up reading online that if the truck gets overfilled with oil that it will leak out of the rear main seal. Now my question is...Was 4 quarts of oil too much for an xterra and would it be coming out of the main seal if this much was put into the truck?
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post #2 of 12 Old 03-14-2012, 05:00 PM
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Xterras hold about 3.5 qts of oil. Not sure if that's make it leak from there but someone on here will be able to tell you.


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post #3 of 12 Old 03-14-2012, 06:03 PM
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750 for a seal is rediculous. You could probably pick up a engine for around that price. I would call around places and if it will make it easier for them you could always order the seals/kit needed for it from one of our site sponsors who can get you the part numbr and parts all squared away for you. Also congrats on the new baby


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post #4 of 12 Old 03-14-2012, 09:33 PM
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I got quoted 900 for mine.....unfortuately it is almost ALL labor cost. about 7-9 hours if i remember correctly.


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post #5 of 12 Old 03-14-2012, 10:16 PM
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4 quarts is too much, capacity is 3.5 (assuming you have the v6). Regardless of what the problem really is, $750 doesn't sound too bad, it requires separating the tranny from the motor.

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post #6 of 12 Old 03-15-2012, 06:54 PM
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Your blowing oil out the rear... need to change the oil again and only add 3.5

too much oil is a bad thing
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post #7 of 12 Old 03-15-2012, 10:34 PM
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the rear main is a real PITA! not only do you have to pull the transmission out, but you have to drop the cross members, most of the exhaust, remove the torsion bars, snake the wire harness through the tunnel and the side of the motor (alot easier to do with a body lift). personlly, ive had to replace the motor and have done the rear main seal before. i find it alot easier to pull the motor and replace it with nothing in your way.

the nice thing about pulling the motor is that there is not a whole lot you have to pull apart to get it out. if you find a bracket to put on another bracket on the drivers rear cylinder head (it has to holes in it for something but no idea what) and put the other side of the chain where the power steering pump goes, disconnect the bellhousing and torque converter bolts it will come out pretty easy.
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post #8 of 12 Old 03-16-2012, 12:02 AM
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Just had mine done. Book charge is 8 hours. Mine took closer to 11-14.

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post #9 of 12 Old 03-23-2012, 07:44 PM Thread Starter
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We paid someone 650 to replace the rear main. I picked the truck up tonight and I'm really unhappy. The exhaust never leaked or rattled before, now its doing both very badly. Even more concerning is the fact that m barely able to get this truck in and out of gear anymore. To get it from park to drive, you have to slam the gear shifter forward, then squeeze it and pull back. When you go to put it in park like normal you have to slam the gear shifter forward without pressing the button in order for it to click into the park position. NEVER HAD THESE PROBLEMS BEFORE. should I take it back? Will they even fix what they broke?
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post #10 of 12 Old 03-23-2012, 07:49 PM
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Originally Posted by callendargirl View Post
We paid someone 650 to replace the rear main. I picked the truck up tonight and I'm really unhappy. The exhaust never leaked or rattled before, now its doing both very badly. Even more concerning is the fact that m barely able to get this truck in and out of gear anymore. To get it from park to drive, you have to slam the gear shifter forward, then squeeze it and pull back. When you go to put it in park like normal you have to slam the gear shifter forward without pressing the button in order for it to click into the park position. NEVER HAD THESE PROBLEMS BEFORE. should I take it back? Will they even fix what they broke?
It sounds like they (Might have) fixed one problem, and caused some new ones by putting it back together poorly.

I WOULD bring it back and tell them you want it to work as it did when you gave it to them.

Unless you can't trust them anymore...etc

-TJ

TJ's Build Thread ---> http://www.clubxterra.org/forums/showthread.php?t=11532

DIYS http://www.clubxterra.org/forums/showthread.php?t=16434

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